[PATCH 7/7] drm/amdgpu: reorder CS code

["Christian König" <ckoenig.leichtzumerken@gmail.com>]

Sort the functions in the order they are called

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 802 +++++++++++++------------
 1 file changed, 402 insertions(+), 400 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index ee02fecc27b7..e104d7ef3c3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -278,6 +278,323 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
 	return ret;
 }
 
+static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
+			     struct amdgpu_cs_parser *parser)
+{
+	struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
+	struct amdgpu_vm *vm = &fpriv->vm;
+	int r, ce_preempt = 0, de_preempt = 0;
+	struct amdgpu_ring *ring;
+	int i, j;
+
+	for (i = 0, j = 0; i < parser->nchunks && j < parser->job->num_ibs; i++) {
+		struct amdgpu_cs_chunk *chunk;
+		struct amdgpu_ib *ib;
+		struct drm_amdgpu_cs_chunk_ib *chunk_ib;
+		struct drm_sched_entity *entity;
+
+		chunk = &parser->chunks[i];
+		ib = &parser->job->ibs[j];
+		chunk_ib = (struct drm_amdgpu_cs_chunk_ib *)chunk->kdata;
+
+		if (chunk->chunk_id != AMDGPU_CHUNK_ID_IB)
+			continue;
+
+		if (chunk_ib->ip_type == AMDGPU_HW_IP_GFX &&
+		    chunk_ib->flags & AMDGPU_IB_FLAG_PREEMPT) {
+			if (chunk_ib->flags & AMDGPU_IB_FLAG_CE)
+				ce_preempt++;
+			else
+				de_preempt++;
+
+			/* each GFX command submit allows 0 or 1 IB preemptible for CE & DE */
+			if (ce_preempt > 1 || de_preempt > 1)
+				return -EINVAL;
+		}
+
+		r = amdgpu_ctx_get_entity(parser->ctx, chunk_ib->ip_type,
+					  chunk_ib->ip_instance, chunk_ib->ring,
+					  &entity);
+		if (r)
+			return r;
+
+		if (chunk_ib->flags & AMDGPU_IB_FLAG_PREAMBLE)
+			parser->job->preamble_status |=
+				AMDGPU_PREAMBLE_IB_PRESENT;
+
+		if (parser->entity && parser->entity != entity)
+			return -EINVAL;
+
+		/* Return if there is no run queue associated with this entity.
+		 * Possibly because of disabled HW IP*/
+		if (entity->rq == NULL)
+			return -EINVAL;
+
+		parser->entity = entity;
+
+		ring = to_amdgpu_ring(entity->rq->sched);
+		r =  amdgpu_ib_get(adev, vm, ring->funcs->parse_cs ?
+				   chunk_ib->ib_bytes : 0,
+				   AMDGPU_IB_POOL_DELAYED, ib);
+		if (r) {
+			DRM_ERROR("Failed to get ib !\n");
+			return r;
+		}
+
+		ib->gpu_addr = chunk_ib->va_start;
+		ib->length_dw = chunk_ib->ib_bytes / 4;
+		ib->flags = chunk_ib->flags;
+
+		j++;
+	}
+
+	/* MM engine doesn't support user fences */
+	ring = to_amdgpu_ring(parser->entity->rq->sched);
+	if (parser->job->uf_addr && ring->funcs->no_user_fence)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p,
+				       struct amdgpu_cs_chunk *chunk)
+{
+	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
+	unsigned num_deps;
+	int i, r;
+	struct drm_amdgpu_cs_chunk_dep *deps;
+
+	deps = (struct drm_amdgpu_cs_chunk_dep *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_dep);
+
+	for (i = 0; i < num_deps; ++i) {
+		struct amdgpu_ctx *ctx;
+		struct drm_sched_entity *entity;
+		struct dma_fence *fence;
+
+		ctx = amdgpu_ctx_get(fpriv, deps[i].ctx_id);
+		if (ctx == NULL)
+			return -EINVAL;
+
+		r = amdgpu_ctx_get_entity(ctx, deps[i].ip_type,
+					  deps[i].ip_instance,
+					  deps[i].ring, &entity);
+		if (r) {
+			amdgpu_ctx_put(ctx);
+			return r;
+		}
+
+		fence = amdgpu_ctx_get_fence(ctx, entity, deps[i].handle);
+		amdgpu_ctx_put(ctx);
+
+		if (IS_ERR(fence))
+			return PTR_ERR(fence);
+		else if (!fence)
+			continue;
+
+		if (chunk->chunk_id == AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES) {
+			struct drm_sched_fence *s_fence;
+			struct dma_fence *old = fence;
+
+			s_fence = to_drm_sched_fence(fence);
+			fence = dma_fence_get(&s_fence->scheduled);
+			dma_fence_put(old);
+		}
+
+		r = amdgpu_sync_fence(&p->job->sync, fence);
+		dma_fence_put(fence);
+		if (r)
+			return r;
+	}
+	return 0;
+}
+
+static int amdgpu_syncobj_lookup_and_add_to_sync(struct amdgpu_cs_parser *p,
+						 uint32_t handle, u64 point,
+						 u64 flags)
+{
+	struct dma_fence *fence;
+	int r;
+
+	r = drm_syncobj_find_fence(p->filp, handle, point, flags, &fence);
+	if (r) {
+		DRM_ERROR("syncobj %u failed to find fence @ %llu (%d)!\n",
+			  handle, point, r);
+		return r;
+	}
+
+	r = amdgpu_sync_fence(&p->job->sync, fence);
+	dma_fence_put(fence);
+
+	return r;
+}
+
+static int amdgpu_cs_process_syncobj_in_dep(struct amdgpu_cs_parser *p,
+					    struct amdgpu_cs_chunk *chunk)
+{
+	struct drm_amdgpu_cs_chunk_sem *deps;
+	unsigned num_deps;
+	int i, r;
+
+	deps = (struct drm_amdgpu_cs_chunk_sem *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_sem);
+	for (i = 0; i < num_deps; ++i) {
+		r = amdgpu_syncobj_lookup_and_add_to_sync(p, deps[i].handle,
+							  0, 0);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
+
+static int amdgpu_cs_process_syncobj_timeline_in_dep(struct amdgpu_cs_parser *p,
+						     struct amdgpu_cs_chunk *chunk)
+{
+	struct drm_amdgpu_cs_chunk_syncobj *syncobj_deps;
+	unsigned num_deps;
+	int i, r;
+
+	syncobj_deps = (struct drm_amdgpu_cs_chunk_syncobj *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_syncobj);
+	for (i = 0; i < num_deps; ++i) {
+		r = amdgpu_syncobj_lookup_and_add_to_sync(p,
+							  syncobj_deps[i].handle,
+							  syncobj_deps[i].point,
+							  syncobj_deps[i].flags);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
+
+static int amdgpu_cs_process_syncobj_out_dep(struct amdgpu_cs_parser *p,
+					     struct amdgpu_cs_chunk *chunk)
+{
+	struct drm_amdgpu_cs_chunk_sem *deps;
+	unsigned num_deps;
+	int i;
+
+	deps = (struct drm_amdgpu_cs_chunk_sem *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_sem);
+
+	if (p->post_deps)
+		return -EINVAL;
+
+	p->post_deps = kmalloc_array(num_deps, sizeof(*p->post_deps),
+				     GFP_KERNEL);
+	p->num_post_deps = 0;
+
+	if (!p->post_deps)
+		return -ENOMEM;
+
+
+	for (i = 0; i < num_deps; ++i) {
+		p->post_deps[i].syncobj =
+			drm_syncobj_find(p->filp, deps[i].handle);
+		if (!p->post_deps[i].syncobj)
+			return -EINVAL;
+		p->post_deps[i].chain = NULL;
+		p->post_deps[i].point = 0;
+		p->num_post_deps++;
+	}
+
+	return 0;
+}
+
+
+static int amdgpu_cs_process_syncobj_timeline_out_dep(struct amdgpu_cs_parser *p,
+						      struct amdgpu_cs_chunk *chunk)
+{
+	struct drm_amdgpu_cs_chunk_syncobj *syncobj_deps;
+	unsigned num_deps;
+	int i;
+
+	syncobj_deps = (struct drm_amdgpu_cs_chunk_syncobj *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_syncobj);
+
+	if (p->post_deps)
+		return -EINVAL;
+
+	p->post_deps = kmalloc_array(num_deps, sizeof(*p->post_deps),
+				     GFP_KERNEL);
+	p->num_post_deps = 0;
+
+	if (!p->post_deps)
+		return -ENOMEM;
+
+	for (i = 0; i < num_deps; ++i) {
+		struct amdgpu_cs_post_dep *dep = &p->post_deps[i];
+
+		dep->chain = NULL;
+		if (syncobj_deps[i].point) {
+			dep->chain = dma_fence_chain_alloc();
+			if (!dep->chain)
+				return -ENOMEM;
+		}
+
+		dep->syncobj = drm_syncobj_find(p->filp,
+						syncobj_deps[i].handle);
+		if (!dep->syncobj) {
+			dma_fence_chain_free(dep->chain);
+			return -EINVAL;
+		}
+		dep->point = syncobj_deps[i].point;
+		p->num_post_deps++;
+	}
+
+	return 0;
+}
+
+static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
+				  struct amdgpu_cs_parser *p)
+{
+	int i, r;
+
+	for (i = 0; i < p->nchunks; ++i) {
+		struct amdgpu_cs_chunk *chunk;
+
+		chunk = &p->chunks[i];
+
+		switch (chunk->chunk_id) {
+		case AMDGPU_CHUNK_ID_DEPENDENCIES:
+		case AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES:
+			r = amdgpu_cs_process_fence_dep(p, chunk);
+			if (r)
+				return r;
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_IN:
+			r = amdgpu_cs_process_syncobj_in_dep(p, chunk);
+			if (r)
+				return r;
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_OUT:
+			r = amdgpu_cs_process_syncobj_out_dep(p, chunk);
+			if (r)
+				return r;
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT:
+			r = amdgpu_cs_process_syncobj_timeline_in_dep(p, chunk);
+			if (r)
+				return r;
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL:
+			r = amdgpu_cs_process_syncobj_timeline_out_dep(p, chunk);
+			if (r)
+				return r;
+			break;
+		}
+	}
+
+	return 0;
+}
+
 /* Convert microseconds to bytes. */
 static u64 us_to_bytes(struct amdgpu_device *adev, s64 us)
 {
@@ -659,25 +976,15 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	return r;
 }
 
-static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
+static void trace_amdgpu_cs_ibs(struct amdgpu_cs_parser *parser)
 {
-	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
-	struct amdgpu_bo_list_entry *e;
-	int r;
+	int i;
 
-	list_for_each_entry(e, &p->validated, tv.head) {
-		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
-		struct dma_resv *resv = bo->tbo.base.resv;
-		enum amdgpu_sync_mode sync_mode;
+	if (!trace_amdgpu_cs_enabled())
+		return;
 
-		sync_mode = amdgpu_bo_explicit_sync(bo) ?
-			AMDGPU_SYNC_EXPLICIT : AMDGPU_SYNC_NE_OWNER;
-		r = amdgpu_sync_resv(p->adev, &p->job->sync, resv, sync_mode,
-				     &fpriv->vm);
-		if (r)
-			return r;
-	}
-	return 0;
+	for (i = 0; i < parser->job->num_ibs; i++)
+		trace_amdgpu_cs(parser, i);
 }
 
 static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
@@ -733,417 +1040,119 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
 			offset = m->start * AMDGPU_GPU_PAGE_SIZE;
 			kptr += va_start - offset;
 
-			if (ring->funcs->parse_cs) {
-				memcpy(ib->ptr, kptr, chunk_ib->ib_bytes);
-				amdgpu_bo_kunmap(aobj);
-
-				r = amdgpu_ring_parse_cs(ring, p, p->job, ib);
-				if (r)
-					return r;
-			} else {
-				ib->ptr = (uint32_t *)kptr;
-				r = amdgpu_ring_patch_cs_in_place(ring, p, p->job, ib);
-				amdgpu_bo_kunmap(aobj);
-				if (r)
-					return r;
-			}
-
-			j++;
-		}
-	}
-
-	if (!p->job->vm)
-		return amdgpu_cs_sync_rings(p);
-
-
-	r = amdgpu_vm_clear_freed(adev, vm, NULL);
-	if (r)
-		return r;
-
-	r = amdgpu_vm_bo_update(adev, fpriv->prt_va, false);
-	if (r)
-		return r;
-
-	r = amdgpu_sync_fence(&p->job->sync, fpriv->prt_va->last_pt_update);
-	if (r)
-		return r;
-
-	if (fpriv->csa_va) {
-		bo_va = fpriv->csa_va;
-		BUG_ON(!bo_va);
-		r = amdgpu_vm_bo_update(adev, bo_va, false);
-		if (r)
-			return r;
-
-		r = amdgpu_sync_fence(&p->job->sync, bo_va->last_pt_update);
-		if (r)
-			return r;
-	}
-
-	amdgpu_bo_list_for_each_entry(e, p->bo_list) {
-		/* ignore duplicates */
-		bo = ttm_to_amdgpu_bo(e->tv.bo);
-		if (!bo)
-			continue;
-
-		bo_va = e->bo_va;
-		if (bo_va == NULL)
-			continue;
-
-		r = amdgpu_vm_bo_update(adev, bo_va, false);
-		if (r)
-			return r;
-
-		r = amdgpu_sync_fence(&p->job->sync, bo_va->last_pt_update);
-		if (r)
-			return r;
-	}
-
-	r = amdgpu_vm_handle_moved(adev, vm);
-	if (r)
-		return r;
-
-	r = amdgpu_vm_update_pdes(adev, vm, false);
-	if (r)
-		return r;
-
-	r = amdgpu_sync_fence(&p->job->sync, vm->last_update);
-	if (r)
-		return r;
-
-	p->job->vm_pd_addr = amdgpu_gmc_pd_addr(vm->root.bo);
-
-	if (amdgpu_vm_debug) {
-		/* Invalidate all BOs to test for userspace bugs */
-		amdgpu_bo_list_for_each_entry(e, p->bo_list) {
-			struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
-
-			/* ignore duplicates */
-			if (!bo)
-				continue;
-
-			amdgpu_vm_bo_invalidate(adev, bo, false);
-		}
-	}
-
-	return amdgpu_cs_sync_rings(p);
-}
-
-static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
-			     struct amdgpu_cs_parser *parser)
-{
-	struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
-	struct amdgpu_vm *vm = &fpriv->vm;
-	int r, ce_preempt = 0, de_preempt = 0;
-	struct amdgpu_ring *ring;
-	int i, j;
-
-	for (i = 0, j = 0; i < parser->nchunks && j < parser->job->num_ibs; i++) {
-		struct amdgpu_cs_chunk *chunk;
-		struct amdgpu_ib *ib;
-		struct drm_amdgpu_cs_chunk_ib *chunk_ib;
-		struct drm_sched_entity *entity;
-
-		chunk = &parser->chunks[i];
-		ib = &parser->job->ibs[j];
-		chunk_ib = (struct drm_amdgpu_cs_chunk_ib *)chunk->kdata;
-
-		if (chunk->chunk_id != AMDGPU_CHUNK_ID_IB)
-			continue;
-
-		if (chunk_ib->ip_type == AMDGPU_HW_IP_GFX &&
-		    chunk_ib->flags & AMDGPU_IB_FLAG_PREEMPT) {
-			if (chunk_ib->flags & AMDGPU_IB_FLAG_CE)
-				ce_preempt++;
-			else
-				de_preempt++;
-
-			/* each GFX command submit allows 0 or 1 IB preemptible for CE & DE */
-			if (ce_preempt > 1 || de_preempt > 1)
-				return -EINVAL;
-		}
-
-		r = amdgpu_ctx_get_entity(parser->ctx, chunk_ib->ip_type,
-					  chunk_ib->ip_instance, chunk_ib->ring,
-					  &entity);
-		if (r)
-			return r;
-
-		if (chunk_ib->flags & AMDGPU_IB_FLAG_PREAMBLE)
-			parser->job->preamble_status |=
-				AMDGPU_PREAMBLE_IB_PRESENT;
-
-		if (parser->entity && parser->entity != entity)
-			return -EINVAL;
-
-		/* Return if there is no run queue associated with this entity.
-		 * Possibly because of disabled HW IP*/
-		if (entity->rq == NULL)
-			return -EINVAL;
-
-		parser->entity = entity;
-
-		ring = to_amdgpu_ring(entity->rq->sched);
-		r =  amdgpu_ib_get(adev, vm, ring->funcs->parse_cs ?
-				   chunk_ib->ib_bytes : 0,
-				   AMDGPU_IB_POOL_DELAYED, ib);
-		if (r) {
-			DRM_ERROR("Failed to get ib !\n");
-			return r;
-		}
-
-		ib->gpu_addr = chunk_ib->va_start;
-		ib->length_dw = chunk_ib->ib_bytes / 4;
-		ib->flags = chunk_ib->flags;
-
-		j++;
-	}
-
-	/* MM engine doesn't support user fences */
-	ring = to_amdgpu_ring(parser->entity->rq->sched);
-	if (parser->job->uf_addr && ring->funcs->no_user_fence)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p,
-				       struct amdgpu_cs_chunk *chunk)
-{
-	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
-	unsigned num_deps;
-	int i, r;
-	struct drm_amdgpu_cs_chunk_dep *deps;
-
-	deps = (struct drm_amdgpu_cs_chunk_dep *)chunk->kdata;
-	num_deps = chunk->length_dw * 4 /
-		sizeof(struct drm_amdgpu_cs_chunk_dep);
-
-	for (i = 0; i < num_deps; ++i) {
-		struct amdgpu_ctx *ctx;
-		struct drm_sched_entity *entity;
-		struct dma_fence *fence;
-
-		ctx = amdgpu_ctx_get(fpriv, deps[i].ctx_id);
-		if (ctx == NULL)
-			return -EINVAL;
-
-		r = amdgpu_ctx_get_entity(ctx, deps[i].ip_type,
-					  deps[i].ip_instance,
-					  deps[i].ring, &entity);
-		if (r) {
-			amdgpu_ctx_put(ctx);
-			return r;
-		}
-
-		fence = amdgpu_ctx_get_fence(ctx, entity, deps[i].handle);
-		amdgpu_ctx_put(ctx);
-
-		if (IS_ERR(fence))
-			return PTR_ERR(fence);
-		else if (!fence)
-			continue;
+			if (ring->funcs->parse_cs) {
+				memcpy(ib->ptr, kptr, chunk_ib->ib_bytes);
+				amdgpu_bo_kunmap(aobj);
 
-		if (chunk->chunk_id == AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES) {
-			struct drm_sched_fence *s_fence;
-			struct dma_fence *old = fence;
+				r = amdgpu_ring_parse_cs(ring, p, p->job, ib);
+				if (r)
+					return r;
+			} else {
+				ib->ptr = (uint32_t *)kptr;
+				r = amdgpu_ring_patch_cs_in_place(ring, p, p->job, ib);
+				amdgpu_bo_kunmap(aobj);
+				if (r)
+					return r;
+			}
 
-			s_fence = to_drm_sched_fence(fence);
-			fence = dma_fence_get(&s_fence->scheduled);
-			dma_fence_put(old);
+			j++;
 		}
-
-		r = amdgpu_sync_fence(&p->job->sync, fence);
-		dma_fence_put(fence);
-		if (r)
-			return r;
 	}
-	return 0;
-}
 
-static int amdgpu_syncobj_lookup_and_add_to_sync(struct amdgpu_cs_parser *p,
-						 uint32_t handle, u64 point,
-						 u64 flags)
-{
-	struct dma_fence *fence;
-	int r;
+	if (!p->job->vm)
+		return 0;
 
-	r = drm_syncobj_find_fence(p->filp, handle, point, flags, &fence);
-	if (r) {
-		DRM_ERROR("syncobj %u failed to find fence @ %llu (%d)!\n",
-			  handle, point, r);
+	r = amdgpu_vm_clear_freed(adev, vm, NULL);
+	if (r)
 		return r;
-	}
-
-	r = amdgpu_sync_fence(&p->job->sync, fence);
-	dma_fence_put(fence);
 
-	return r;
-}
+	r = amdgpu_vm_bo_update(adev, fpriv->prt_va, false);
+	if (r)
+		return r;
 
-static int amdgpu_cs_process_syncobj_in_dep(struct amdgpu_cs_parser *p,
-					    struct amdgpu_cs_chunk *chunk)
-{
-	struct drm_amdgpu_cs_chunk_sem *deps;
-	unsigned num_deps;
-	int i, r;
+	r = amdgpu_sync_fence(&p->job->sync, fpriv->prt_va->last_pt_update);
+	if (r)
+		return r;
 
-	deps = (struct drm_amdgpu_cs_chunk_sem *)chunk->kdata;
-	num_deps = chunk->length_dw * 4 /
-		sizeof(struct drm_amdgpu_cs_chunk_sem);
-	for (i = 0; i < num_deps; ++i) {
-		r = amdgpu_syncobj_lookup_and_add_to_sync(p, deps[i].handle,
-							  0, 0);
+	if (fpriv->csa_va) {
+		bo_va = fpriv->csa_va;
+		BUG_ON(!bo_va);
+		r = amdgpu_vm_bo_update(adev, bo_va, false);
 		if (r)
 			return r;
-	}
-
-	return 0;
-}
-
-
-static int amdgpu_cs_process_syncobj_timeline_in_dep(struct amdgpu_cs_parser *p,
-						     struct amdgpu_cs_chunk *chunk)
-{
-	struct drm_amdgpu_cs_chunk_syncobj *syncobj_deps;
-	unsigned num_deps;
-	int i, r;
 
-	syncobj_deps = (struct drm_amdgpu_cs_chunk_syncobj *)chunk->kdata;
-	num_deps = chunk->length_dw * 4 /
-		sizeof(struct drm_amdgpu_cs_chunk_syncobj);
-	for (i = 0; i < num_deps; ++i) {
-		r = amdgpu_syncobj_lookup_and_add_to_sync(p,
-							  syncobj_deps[i].handle,
-							  syncobj_deps[i].point,
-							  syncobj_deps[i].flags);
+		r = amdgpu_sync_fence(&p->job->sync, bo_va->last_pt_update);
 		if (r)
 			return r;
 	}
 
-	return 0;
-}
-
-static int amdgpu_cs_process_syncobj_out_dep(struct amdgpu_cs_parser *p,
-					     struct amdgpu_cs_chunk *chunk)
-{
-	struct drm_amdgpu_cs_chunk_sem *deps;
-	unsigned num_deps;
-	int i;
-
-	deps = (struct drm_amdgpu_cs_chunk_sem *)chunk->kdata;
-	num_deps = chunk->length_dw * 4 /
-		sizeof(struct drm_amdgpu_cs_chunk_sem);
-
-	if (p->post_deps)
-		return -EINVAL;
-
-	p->post_deps = kmalloc_array(num_deps, sizeof(*p->post_deps),
-				     GFP_KERNEL);
-	p->num_post_deps = 0;
+	amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+		/* ignore duplicates */
+		bo = ttm_to_amdgpu_bo(e->tv.bo);
+		if (!bo)
+			continue;
 
-	if (!p->post_deps)
-		return -ENOMEM;
+		bo_va = e->bo_va;
+		if (bo_va == NULL)
+			continue;
 
+		r = amdgpu_vm_bo_update(adev, bo_va, false);
+		if (r)
+			return r;
 
-	for (i = 0; i < num_deps; ++i) {
-		p->post_deps[i].syncobj =
-			drm_syncobj_find(p->filp, deps[i].handle);
-		if (!p->post_deps[i].syncobj)
-			return -EINVAL;
-		p->post_deps[i].chain = NULL;
-		p->post_deps[i].point = 0;
-		p->num_post_deps++;
+		r = amdgpu_sync_fence(&p->job->sync, bo_va->last_pt_update);
+		if (r)
+			return r;
 	}
 
-	return 0;
-}
-
-
-static int amdgpu_cs_process_syncobj_timeline_out_dep(struct amdgpu_cs_parser *p,
-						      struct amdgpu_cs_chunk *chunk)
-{
-	struct drm_amdgpu_cs_chunk_syncobj *syncobj_deps;
-	unsigned num_deps;
-	int i;
-
-	syncobj_deps = (struct drm_amdgpu_cs_chunk_syncobj *)chunk->kdata;
-	num_deps = chunk->length_dw * 4 /
-		sizeof(struct drm_amdgpu_cs_chunk_syncobj);
+	r = amdgpu_vm_handle_moved(adev, vm);
+	if (r)
+		return r;
 
-	if (p->post_deps)
-		return -EINVAL;
+	r = amdgpu_vm_update_pdes(adev, vm, false);
+	if (r)
+		return r;
 
-	p->post_deps = kmalloc_array(num_deps, sizeof(*p->post_deps),
-				     GFP_KERNEL);
-	p->num_post_deps = 0;
+	r = amdgpu_sync_fence(&p->job->sync, vm->last_update);
+	if (r)
+		return r;
 
-	if (!p->post_deps)
-		return -ENOMEM;
+	p->job->vm_pd_addr = amdgpu_gmc_pd_addr(vm->root.bo);
 
-	for (i = 0; i < num_deps; ++i) {
-		struct amdgpu_cs_post_dep *dep = &p->post_deps[i];
+	if (amdgpu_vm_debug) {
+		/* Invalidate all BOs to test for userspace bugs */
+		amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+			struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
 
-		dep->chain = NULL;
-		if (syncobj_deps[i].point) {
-			dep->chain = dma_fence_chain_alloc();
-			if (!dep->chain)
-				return -ENOMEM;
-		}
+			/* ignore duplicates */
+			if (!bo)
+				continue;
 
-		dep->syncobj = drm_syncobj_find(p->filp,
-						syncobj_deps[i].handle);
-		if (!dep->syncobj) {
-			dma_fence_chain_free(dep->chain);
-			return -EINVAL;
+			amdgpu_vm_bo_invalidate(adev, bo, false);
 		}
-		dep->point = syncobj_deps[i].point;
-		p->num_post_deps++;
 	}
 
 	return 0;
 }
 
-static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
-				  struct amdgpu_cs_parser *p)
+static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
 {
-	int i, r;
-
-	for (i = 0; i < p->nchunks; ++i) {
-		struct amdgpu_cs_chunk *chunk;
+	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
+	struct amdgpu_bo_list_entry *e;
+	int r;
 
-		chunk = &p->chunks[i];
+	list_for_each_entry(e, &p->validated, tv.head) {
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+		struct dma_resv *resv = bo->tbo.base.resv;
+		enum amdgpu_sync_mode sync_mode;
 
-		switch (chunk->chunk_id) {
-		case AMDGPU_CHUNK_ID_DEPENDENCIES:
-		case AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES:
-			r = amdgpu_cs_process_fence_dep(p, chunk);
-			if (r)
-				return r;
-			break;
-		case AMDGPU_CHUNK_ID_SYNCOBJ_IN:
-			r = amdgpu_cs_process_syncobj_in_dep(p, chunk);
-			if (r)
-				return r;
-			break;
-		case AMDGPU_CHUNK_ID_SYNCOBJ_OUT:
-			r = amdgpu_cs_process_syncobj_out_dep(p, chunk);
-			if (r)
-				return r;
-			break;
-		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT:
-			r = amdgpu_cs_process_syncobj_timeline_in_dep(p, chunk);
-			if (r)
-				return r;
-			break;
-		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL:
-			r = amdgpu_cs_process_syncobj_timeline_out_dep(p, chunk);
-			if (r)
-				return r;
-			break;
-		}
+		sync_mode = amdgpu_bo_explicit_sync(bo) ?
+			AMDGPU_SYNC_EXPLICIT : AMDGPU_SYNC_NE_OWNER;
+		r = amdgpu_sync_resv(p->adev, &p->job->sync, resv, sync_mode,
+				     &fpriv->vm);
+		if (r)
+			return r;
 	}
-
 	return 0;
 }
 
@@ -1243,17 +1252,6 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 	return r;
 }
 
-static void trace_amdgpu_cs_ibs(struct amdgpu_cs_parser *parser)
-{
-	int i;
-
-	if (!trace_amdgpu_cs_enabled())
-		return;
-
-	for (i = 0; i < parser->job->num_ibs; i++)
-		trace_amdgpu_cs(parser, i);
-}
-
 /* Cleanup the parser structure */
 static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
 				  bool backoff)
@@ -1342,6 +1340,10 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	if (r)
 		goto out;
 
+	r = amdgpu_cs_sync_rings(&parser);
+	if (r)
+		goto out;
+
 	r = amdgpu_cs_submit(&parser, data);
 out:
 	amdgpu_cs_parser_fini(&parser, r, reserved_buffers);
-- 
2.25.1